1pc XT60 to O Ring Terminal Cable XT60 Female to M8 O Ring Eyelet Terminal Plug Connector with 12inch 10awg Silicone Wire for RC Lipo Battery FPV Racing Drone(E134-1)

to connect the battery you'd just need to make an adapter with the right terminals for the controller you have in mind. if you can solder it's probably cheaper to make your own but these are all over ebay and amazon - stay with 10awg or thicker wire: https://www.amazon.com/rflaueo-Terminal-Connector-Silicone-Battery/dp/B0CDGDKNWM/ref=sr_1_1?crid=149YIU4JSJ22Q&dib=eyJ2IjoiMSJ9.UD2D1hvAIxcj_lSe6CyHMyyR7e5YspknqJvylZYsTKMgjHVqX9kjeK6ASvnSeT-o3XkieW_RnPD7wBDO5LQOHgg-4LMXWjRInGbAZKBxqPYTexTQB_uTckCadlY_ynwlPvrMqd0zD_i82v3_D61iVBAfcIhUEKQA14_-OntywFS6kCDGVXsZTS-dM6w5KAGG4i8BEwZJJl3GWDwl0VesFhXMZ_0UqHA60Ieff4CrC2E.XLYrSQO9C0xLqzpFr-uUPpsdKEZlnNbpDTilH6-d8gk&dib_tag=se&keywords=xt60+connectors+8awg&qid=1781218182&sprefix=xt60+connectors+8awg%2Caps%2C217&sr=8-1